Ali Price is pinged for offside, and Emiliano Boffelli calls for his kicking tee.

Would be well over 50m if he makes this...

A series of kicks from both sides ends with a Scotland line-out on the opposition 10m line.

The throw from Ewan Ashman is squint though - sloppy.

Scotland get away with one here.

Matias Moroni makes a half-break, and if Edinburgh's Emiliano Boffelli takes the pass safely, he's got a clear run to the corner.

He fumbles though, and Scotland survive.

Rory Darge takes just 45 seconds to get over the ball and win a penalty at the breakdown.

He's class, that lad.

Santiago Carreras gets us under way...

Argentina win it, and are straight on the front foot.

Flower of Scotland is being belted out in Santiago del Estero - kick-off is just around the corner.

Rory Lawson
Former Scotland captain on Sky Sports

Ollie Smith's card has been marked as 'one to watch' since he shone in the flailing U20s set-up. Now, just 18 months since his full debut for Glasgow, the Ayr man makes his debut for the national side in a must-win fixture. It is a reflection of just how seamlessly he has adapted to professional rugby at Scotstoun.

With Blair Kinghorn clearly viewed, rightly or wrongly, as a fly-half by Townsend, Smith is the standout candidate for the 15 shirt, given Rory Hutchinson's absence through injury.

Stuart Hogg is still one of the first names in Scotland's starting XV when available, but he is 30 now, and cannot go on forever. Smith is his heir apparent at full-back.

"We've got high expectations of Ollie," Townsend said this week. "Because of the way he's training, and the way he's been playing for Glasgow this season. It suggests that he'll transfer that form into the Test match arena. He's got a good left boot, he's a very good attacker and he'll get a lot of ball."

Scotland head coach Gregor Townsend has been talking to Sky Sports pre-match.

"We believe in the players we have here", he said. "Someone like Jonny Gray is coming in fresh. We've got experience, players raring to go, and some youngsters out there.

"[Leaving out Ben White] was tough given his performance last week, but Ali Price has been a big player for us.

[On Hamish Watson]: "He looked in great form last week, and he seems to be thriving in this leadership role.

"We need more ball for Blair and that back-line to show what they're capable of."

Gregor Townsend has made eight changes for this must-win encounter, including a debut for Glasgow's Ollie Smith at fullback.

Zander Fagerson wins his 50th cap in the front row, and is joined by Rory Sutherland and Ewan Ashman, who come in for Pierre Schoeman and Dave Cherry, respectively.

Grant Gilchrist drops out, and so Hamish Watson leads Scotland for the first time.

In the backs, Ali Price comes in for Ben White, Sam Johnson is replaced by Sione Tuipulotu, and Rufus McLean starts on the wing .

Now then, for the last time this summer, we've got international rugby for you.

Series on the line - what more could you want?